|
3 |
Display screen changes to white. |
|
POSSIBLE CAUSE |
• Car-navigation unit malfunction
• LCD unit malfunction
• Improper adjustment of the screen contrast
|
Diagnostic procedure
|
STEP
|
INSPECTION
|
ACTION
|
|
|---|---|---|---|
|
1
|
• Turn the ignition switch to the ACC position.
• Does the display screen change to "display quality adjustment" mode when pressing the VOICEbutton for approx. 2 s or more?
|
Yes
|
Go to the next step.
|
|
No
|
Replace the LCD unit. (See LCD UNIT REMOVAL/INSTALLATION.)
|
||
|
2
|
• Does the system work properlyr?
|
Yes
|
Troubleshooting is completed
|
|
No
|
Replace the LCD unit. (See LCD UNIT REMOVAL/INSTALLATION.)
|
||
|
3
|
• Select "Display Menu screen" or "display quality adjustment" mode in the navigation system.
• Press "ENTER" button.
• Does the system work properlyr?
|
Yes
|
Troubleshooting is completed
|
|
No
|
Replace the car-navigation unit. (See CAR-NAVIGATION UNIT REMOVAL/INSTALLATION.)
|
||